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# Copyright 1999-2014 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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EAPI=5
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inherit check-reqs eutils pax-utils
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DESCRIPTION="Standard ML optimizing compiler and libraries"
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BASE_URI="mirror://sourceforge/${PN}"
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SRC_URI="!binary? ( ${BASE_URI}/${P}.src.tgz )
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binary? ( amd64? ( ${BASE_URI}/${P}-1.amd64-linux.tgz )
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x86? ( ${BASE_URI}/${P}-1.x86-linux.tgz ) )"
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HOMEPAGE="http://www.mlton.org"
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LICENSE="HPND MIT"
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SLOT="0/${PV}"
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# there is support for ppc64 and ia64, but no
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# binaries are provided and there is no native
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# code generation for these platforms
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KEYWORDS="-* ~amd64 ~x86"
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IUSE="binary doc"
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DEPEND="dev-libs/gmp
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doc? ( virtual/latex-base )"
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RDEPEND="dev-libs/gmp"
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QA_PRESTRIPPED="binary? (
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usr/bin/mlnlffigen
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usr/bin/mllex
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usr/bin/mlprof
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usr/bin/mlyacc
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usr/lib/mlton/mlton-compile
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)"
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# The resident set size of mlton-compile is 10GB on amd64
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CHECKREQS_MEMORY="4G"
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pkg_pretend() {
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if use !binary; then
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check-reqs_pkg_pretend
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fi
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}
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src_unpack() {
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if use !binary; then
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unpack ${A}
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else
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mkdir -p "${S}" || die "Could not create ${S} directory"
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pushd "${S}" || die "Could not cd to ${S}"
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unpack ${A}
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popd
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fi
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}
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src_prepare() {
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if use !binary; then
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# The patch removing executable permissions from mmap'd memory regions is not upstreamed:
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# http://pkgs.fedoraproject.org/cgit/mlton.git/tree/mlton-20070826-no-execmem.patch
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epatch "${FILESDIR}/${PN}-20070826-no-execmem.patch"
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# PIE in hardened requires executables to be linked with -fPIC. mlton by default tries
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# to link executables against the non PIC objects in libmlton.a. We may be bootstrapping
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# with an old mlton install, if we tried to patch it (to link with libmlton-pic.a) we would
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# need a patched binary.
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# http://mlton.org/MLtonWorld says Executables that save and load worlds are incompatible
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# with address space layout randomization (ASLR) of the executable.
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epatch "${FILESDIR}/${PN}-20130715-no-PIE.patch"
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# Remove dirs runtime compiler from all-no-docs to avoid repeating these steps.
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# As we need to pax-mark the mlton-compiler executable.
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epatch "${FILESDIR}/${PN}-20130715-split-make-for-pax-mark.patch"
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fi
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}
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src_compile() {
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if use !binary; then
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has_version dev-lang/mlton || die "emerge with binary use flag first"
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# Fix location in which to install man pages
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sed -i 's@^MAN_PREFIX_EXTRA :=.*@MAN_PREFIX_EXTRA := /share@' \
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Makefile || die 'sed Makefile failed'
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emake -j1 dirs runtime compiler CFLAGS="${CFLAGS}" || die
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pax-mark m "${S}/mlton/mlton-compile"
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pax-mark m "${S}/build/lib/mlton-compile"
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# Does not support parallel make
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emake -j1 all-no-docs CFLAGS="${CFLAGS}" || die
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if use doc; then
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export VARTEXFONTS="${T}/fonts"
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emake docs || die "failed to create documentation"
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fi
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fi
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}
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src_install() {
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if use binary; then
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# Fix location in which to install man pages
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mv "${S}/usr/man" "${S}/usr/share" || die "mv man failed"
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pax-mark m "${S}/usr/lib/mlton/mlton-compile"
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pax-mark m "${S}/usr/bin/mllex"
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pax-mark m "${S}/usr/bin/mlyacc"
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mv "${S}/usr" "${D}" || die "mv failed"
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else
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emake DESTDIR="${D}" install-no-docs || die
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if use doc; then emake DESTDIR="${D}" TDOC="${D}"/usr/share/doc/${P} install-docs || die; fi
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fi
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}
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pkg_postinst() {
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# There are PIC objects in libmlton-pic.a. -link-opt -lmlton-pic does not help as mlton
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# specifies -lmlton before -lmlton-pic. It appears that it would be necessary to patch mlton
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# to convince mlton to use the lib*-pic.a libraries when linking an executable.
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ewarn 'PIE in Gentoo hardened requires executables to be linked with -fPIC. mlton by default links'
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ewarn 'executables against the non PIC objects in libmlton.a. http://mlton.org/MLtonWorld notes:'
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ewarn 'Executables that save and load worlds are incompatible with address space layout'
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ewarn 'randomization (ASLR) of the executable.'
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ewarn 'To suppress the generation of position-independent executables.'
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ewarn '-link-opt -fno-PIE'
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}
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